Asbestos labs, contractors, and training providers

Certified analytical service labs, licensed asbestos contractors, and certified asbestos training providers

Asbestos labs, contractors, and training providers

(a) Class A certificate holders are authorized to use polarized light microscopy (PLM) for the analysis of bulk asbestos samples originating in all facilities and locations subject to the requirements of 453 CMR 6.00, including school buildings and other facilities subject to the requirements of AHERA.

(b) Class B certificate holders are authorized to use polarized light microscopy (PLM) for the analysis of bulk asbestos samples originating in all facilities and locations subject to the requirements of 453 CMR 6.00, except school buildings and other facilities subject to the requirements of AHERA.

(c) Class C certificate holders are authorized to use phase contrast microscopy (PCM) for the analysis of air samples originating in all facilities and locations subject to the requirements of 453 CMR 6.00, including school buildings and other facilities subject to the requirements of AHERA.

(d) Class D certificate holders are authorized to use transmission electron microscopy (TEM) for the analysis of air and bulk asbestos samples originating in all facilities and locations subject to the requirements of 453 CMR 6.00, including school buildings and other facilities subject to the requirements of AHERA.

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